Home / 289,291,677.96-399,225,750.78-170,240,590.16

Finding the Fourth Proportional to 289,291,677.96, 399,225,750.78 and 170,240,590.16

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Solution

The fourth proportional to 289,291,677.96, 399,225,750.78 and 170,240,590.16 is: 234,933,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,291,677.96 : 399,225,750.78 = 170,240,590.16 : x
  2. Step 2: Convert to fraction form
    289,291,677.96/399,225,750.78 = 170,240,590.16/x
  3. Step 3: Cross multiply
    289,291,677.96x = 399,225,750.78 × 170,240,590.16
  4. Step 4: Simplify right side
    289,291,677.96x = 67,964,427,419,856,272
  5. Step 5: Solve for x
    x = 67,964,427,419,856,272/289,291,677.96
  6. Step 6: Final answer
    x = 234,933,918.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.